/**==================================================================
 *
 *        工程名称:  tszs.system
 *        文件名称:  Path.java
 *        创 建 人  :  宋 刘 陈
 *        联系方式:  756519755
 *        个人网址:  http://www.songliuchen.com
 *        创建时间:  2016年9月26日
 *        修 改 人  :
 *        修改时间:
 *
 ===================================================================*/

package com.itfreer.utils.common;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;

import com.itfreer.utils.config.ConfigManager;

import java.io.File;

public class PathUtils {
    public static String GetFileName(String path) {
        if (StringUtils.IsNullOrEmpty(path))
            return "";

        if (path.contains("\\")) {
            Integer index = path.lastIndexOf("\\");
            return path.substring(index + 1, path.length());
        } else if (path.contains("/")) {
            Integer index = path.lastIndexOf("/");
            return path.substring(index + 1, path.length());
        } else {
            return "";
        }
    }

    public static String GetFilePath(String path) {
        if (StringUtils.IsNullOrEmpty(path))
            return "";

        if (path.contains("\\")) {
            Integer index = path.lastIndexOf("\\");
            return path.substring(0, index + 1);
        } else if (path.contains("/")) {
            Integer index = path.lastIndexOf("/");
            return path.substring(0, index + 1);
        } else {
            return "";
        }
    }

    public static Boolean CreatePath(String path) {
        if (StringUtils.IsNullOrEmpty(path)){
            return false;
        }

        String tempstring = "";
        if (path.contains("\\")) {
            Integer index = path.lastIndexOf("\\");
            tempstring = path.substring(0, index + 1);
        } else if (path.contains("/")) {
            if (path.endsWith("/")) {
                path = path.substring(0, path.length() - 1);
            }
            Integer index = path.lastIndexOf("/");
            tempstring = path.substring(0, index + 1);
        }

        if (!StringUtils.IsNullOrEmpty(tempstring)) {
            File tempfile = new File(tempstring);
            if (!tempfile.exists()) {
                Boolean success = tempfile.mkdir();
                if (success) {
                    tempfile = new File(path);
                    return tempfile.mkdir();
                } else {
                    return false;
                }
            } else {
                tempfile = new File(path);
                if (!tempfile.exists())
                    return tempfile.mkdir();
                else {
                    return true;
                }
            }
        }
        return false;
    }

    public static String GetTempPath() {
        return Environment.getExternalStorageDirectory() + "/itfreer/temp/";
    }

    public static String GetSystemPath() {
        return Environment.getExternalStorageDirectory() + "/itfreer/";
    }

    public static String GetNewTempFilePath() {
        String path = GetTempPath();
        File file = new File(path);
        if (!file.exists()) {
            Boolean success = file.mkdir();
            if (success) {
                return path + PathUtils.GetNewFileNameByPath();
            }
        } else {
            return path + PathUtils.GetNewFileNameByPath();
        }
        return "";
    }

    /**
     * 获取文件目录 文件全路径
     *
     * @return
     */
    public static java.lang.String GetNewFileNameByPath() {
        return java.lang.String.valueOf(System.currentTimeMillis()) + ".jpeg";
    }

    public static Boolean IsFileExit(String filepath) {
        File file = new File(filepath);
        return file.exists();
    }

    /**
     * 专为Android4.4设计的从Uri获取文件绝对路径，以前的方法已不好使
     */
    @SuppressLint("NewApi")
    public static String GetPathFromUri(Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(ConfigManager.getContext(), uri)) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }

                // TODO handle non-primary volumes
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                        Long.valueOf(id));

                return getDataColumn(ConfigManager.getContext(), contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[] { split[1] };

                return getDataColumn(ConfigManager.getContext(), contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
            return getDataColumn(ConfigManager.getContext(), uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }

        return null;
    }

    /**
     * Get the value of the data column for this Uri. This is useful for MediaStore
     * Uris, and other file-based ContentProviders.
     *
     * @param context
     *            The context.
     * @param uri
     *            The Uri to query.
     * @param selection
     *            (Optional) Filter used in the query.
     * @param selectionArgs
     *            (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = { column };

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }

    /**
     * @param uri
     *            The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    private static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri
     *            The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    private static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri
     *            The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    private static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }
}